Home / 20,710,576.32-28,580,626.81-11,543,022.24

Finding the Fourth Proportional to 20,710,576.32, 28,580,626.81 and 11,543,022.24

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Solution

The fourth proportional to 20,710,576.32, 28,580,626.81 and 11,543,022.24 is: 15,929,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,576.32 : 28,580,626.81 = 11,543,022.24 : x
  2. Step 2: Convert to fraction form
    20,710,576.32/28,580,626.81 = 11,543,022.24/x
  3. Step 3: Cross multiply
    20,710,576.32x = 28,580,626.81 × 11,543,022.24
  4. Step 4: Simplify right side
    20,710,576.32x = 329,906,810,900,970.25
  5. Step 5: Solve for x
    x = 329,906,810,900,970.25/20,710,576.32
  6. Step 6: Final answer
    x = 15,929,388.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.